<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<form action="http://baidu.com">
    用户名:<input type="text" name="username" value="ikun" placeholder="用户名"><br>
    密码:<input type="password" name="password" placeholder="密码"><br>
    性别:<input type="radio" name="grader" id="r1" value="m">
    <label for="r1">男</label>
    <input type="radio" name="grader" id="r2" value="w">
    <label for="r2">女</label>
    兴趣爱好:<input type="checkbox" name="hobby" checked value="c">唱
    <input type="checkbox" name="hobby" value="t">跳
    <input type="checkbox" name="hobby" value="r">rap
    <input type="checkbox" name="hobby" value="lq">篮球
    <input type="checkbox" name="hobby" value="m">music <br>
    生日:<input type="date" name="birthday"><br>
    照片:<input type="file" name="pir"><br>
    居住地:<select>
        <option>水泥</option>
        <option>管子</option>
        <option>地下室</option>
    </select><br>
    <input type="submit" value="注册">
</form>

</body>
</html>